Perhaps you should try some spelling variations:
"de factoor" » "de facto", "de facteur", "de factooor", "e factoor", "de faconoor"
"de factor" » "de facto", "e factor", "dose factor", "de factoor", "de faconor"
"de faconr" » "de facon", "de fanon"
"de falco" » "de facto"
"de factr" » "de facto", "de facteur", "de fazer", "de factor", "e factr", "de faconr", "de fact", "de factors"
"de fact" » "de facto", "e fact", "de facon"
"de fait" » "de faits", "le fait", "se fait"
"e factr" » "e factor", "e fact", "e factors"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("de fact") OR ("de falco"))) OR ("de fait"))) OR ((((("de factor") OR ("de factoor"))) OR ((((((("de factr") OR ("de faconr"))) OR ("e factr"))) OR ((("de factor") OR ("de factoor")))))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"de fact\") or (\"de falco\"))) or (\"de fait\"))) or (((((\"de factor\") or (\"de factoor\"))) or (((((((\"de factr\") OR (\"de faconr\"))) or (\"e factr\"))) or (((\"de factor\") or (\"de factoor\"))))))))".
• Removing quotes may allow a broader search: (((((( de fact ) or ( de falco ))) or ( de fait ))) or ((((( de factor ) or ( de factoor ))) or ((((((( de factr ) OR ( de faconr ))) or ( e factr ))) or ((( de factor ) or ( de factoor )))))))).
• Adding a wildcard symbol may retrieve word variants: (((((("de fact") or ("de falco"))) or ("de fait"))) or ((((("de factor") or ("de factoor"))) or ((((((("de factr") OR ("de faconr"))) or ("e factr"))) or ((("de factor") or ("de factoor"))))))))*.